Vacant possession to landlord

Notwithstanding anything contained in any other law for the time being in force, where the interest, of a landlord or in case of death of the landlord, of his legal heirs in any premises is determined for any reason whatsoever and any order is made by the Rent Court under this Act for the recovery of possession of such premises, such order shall, subject to the provisions of sub-section (3) of section 21, be binding on all occupants who may be in occupation of the premises and vacant possession thereof shall be given by all such occupants to the landlord or to the legal heirs of the landlord.